2023 Audi A3 1.5 TFSI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 1.5 TFSI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 36,962 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 36,962 miles on the clock, this 2023 Audi A3 S Line has done roughly 10,000 more miles than a typical 2023 Audi A3. The dealer is asking £20,000, which is £103 below the AskCar estimate of £20,103. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. It first appeared in our advert records 22 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Drift Bridge Audi Approved - Epsom, based in Epsom. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £103 (under 1%) under the AskCar estimate of £20,103.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

A 2023 Audi A3 with the 1.5 petrol engine is typically advertised at £20,600: the median of the 493 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 22 days.

Price history

AskCar first saw this advert on 11 October 2026 at £20,000. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 30 July 2027.

It failed its MOT on 30 July 2026 (offside headlamp aim too high) and passed 1 day later, on 31 July 2026.

There were no advisories at the latest test.

Mileage at that test: 36,615 miles, which matches the advertised 36,962 miles.

Advertised mileage is about 10,000 miles higher than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

128 other 2023 Audi A3 S Line 1.5 petrol automatic hatchbacks are for sale at UK dealers, from £16,195 to £24,670, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 37,000 miles. Price: £19,690, £310 less than this car. Dealer: GTS Automotive in Osbaldeston. AskCar page: https://askcar.co.uk/car/audi-a3-2023-7420a0b5019f
• 2023 Audi A3 S Line, 1.5 petrol hatchback, grey. Mileage: 36,484 miles. Price: £20,470, £470 more than this car. Dealer: Lookers Audi Farnborough in Farnborough. AskCar page: https://askcar.co.uk/car/audi-a3-2023-2d303b6c4dd3
• 2023 Audi A3 S Line, 1.5 petrol hatchback, blue. Mileage: 36,427 miles. Price: £21,498, £1,498 more than this car. Dealer: Arnold Clark in Telford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-268cb34eabd1

• The nearest: 2023 Audi A3 S Line, 1.5 petrol hatchback, blue, under a mile from this car. Mileage: 14,775 miles. Price: £22,500, £2,500 more than this car. Dealer: Drift Bridge Audi Approved - Epsom in Epsom. AskCar page: https://askcar.co.uk/car/audi-a3-2023-ccfec5deb7c9